background and objective: mmp enzymes are a family of membrane proteins that are capable of digesting extracellular matrix compounds (ecm) and basement membrane. matrilysin enzyme is the smallest member of mmp family that is encoded by mmp-7 gene (matrilysin). according to the reports, g allele of -181 a/g single nucleotide polymorphism of mmp-7 gene causes an increase in the expression of this...